Orthoscopic eyepiece
Kelner eyepiece
Erfle eyepiece
Erfle eyepiece
-1
Section::::Eyepiece designs.:Erfle.

Eyepiece
825694
Eye piece
Ploessl Eyepiece
Plössl Eyepiece
Orthoscopic Eyepiece
Erfle Eyepiece
Huygenian eyepiece
Huygenian eyepiece
-1
Section::::Eyepiece properties.:Location of focal plane.

Eyepiece
825694
Ocular lens
Ramsden eyepiece
Ramsden eyepiece
-1
Section::::Eyepiece properties.:Location of focal plane.

Eyepiece
825694
Eyelens
Nagler eyepiece
Nagler eyepiece
-1
Section::::Eyepiece designs.:Nagler.

Eyepiece
825694
Huygens eyepiece
Huygens eyepiece
-1
Section::::Eyepiece designs.:Huygens.

Eyepiece
825694
Plossl Eyepiece
Eyepiece lens
Plössi eyepiece
Ploessl
Kellner eyepiece
Kellner eyepiece
-1
Section::::Eyepiece designs.:Kellner or "Achromat".

Eyepiece
825694
Plossl
Huygens' eyepiece
Eyepiece
Eyepiece
-1
Section::::Abstract.
Eyepiece
825694
eyepiece
plossl
nagler eyepiece
ploessl eyepiece
kelner eyepiece
eye piece
eyelens
plossl eyepiece
ramsden eyepiece
orthoscopic eyepiece
plössi eyepiece
erfle eyepiece
kellner eyepiece
huygens eyepiece
eyepiece lens
huygenian eyepiece
plössl eyepiece
ploessl
ocular lens